*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
body{
    background: #F4F4F4;
}
/*顶部标签开始*/

.header{
    width: auto;
    height: 40px;
    border-bottom: #cccccc 1px solid;
    background: white;
}
.header-nav{
    width: 1200px;
    height: 50px;
    margin: 0 auto;
}
.header-left{
    height: 48px;
    width: 350px;
    float: left;
}
.header-left>div:first-child{
    width: 180px;
    padding: 10px 10px 10px 0px;
    float: left;
    color: #8492A6;
}
/*核心技术框*/
.header-left>div:nth-child(2){
    padding: 10px 10px 10px 0px;
    float: right;

    /*position: relative;*/
    /*border: #ff4444 solid;*/

}
/*设置核心技术div*/
.header-left>div:nth-child(2)>a{
    font-size: 14px;
    color: #8492A6;
}
.header-left>div:nth-child(2)>a>i{
    font-weight: bold;
}
/*调整核心技术图标的大小*/
.header-left>div:nth-child(2)>a>img{
    float: left;
    margin-top: 5px;
    margin-right: 10px;
    width: 18px;
    height: 15px;
}
/*设置ul样式*/
#top_nav{
    /*box-shadow: snow 5px 5px 5px;*/
    display: none;
    border-radius: 0px 0px 10px 10px;
    z-index: 2;
    position: absolute;
    top: 43px;
    width: auto;
    background: white;
    color: white;
}
.header-left>div:nth-child(2):hover>#top_nav{
    display: block;
}
#top_nav>ul>li{
    padding: 20px;
    z-index: 999;
}
#top_nav>i{
    position: absolute;
    top: -8px;
    left: 15px;
    color: white;
    text-shadow: 1px -1px #ccc ,-1px -1px #ccc;
}
#top_nav>ul>li:hover{
    background: aliceblue;
}
#top_nav>ul>li>a>img{
    height: 40px;
    width: 40px;
    float: left;
    margin-top: -10px;
}
#top_nav>ul>li>a>span{
    font-size: 15px;
    color: #8F9BAE;
}
/*顶部标签右边开始*/
.header-right{
    height: 48px;
    width: 500px;
    float: right;
    /*border: aquamarine solid;*/
}
.header-right>ul{
    float: right;
    margin-top: 5px;
}
.header-right>ul>li{
    float: left;

}
.header-right>ul>li>a>img{
    width: 17px;
    margin-top: 2px;
    margin-right: 5px;
}
.header-right>ul>li>a{
    color: #8F9BAE;
    padding: 8px;
}
/*顶部标签右边结束*/
/*顶部标签结束*/
/*边栏开始*/
.side-Rbar{
    height: 340px;
    width: 70px;
    background: #fff;
    position: fixed;
    right: 0px;
    top: calc(50% - 360px / 2);
    border-radius: 10px 0px 0px 10px;
    z-index: 100;
}
.siderbar-child{
    text-align: center;
    font-size: 8px;
    padding: 2px;
    margin: 5px 0px;

}

.siderbar-child>a{
    color: #666666;
}
.siderbar-child>a:hover{
    text-decoration: underline;
}

.siderbar-child>a>img{
    width: 30px;
    height: 30px;
    padding: 10px;
    color: #cccccc;
}
/*边栏结束*/
/*logo标签开始*/
.logo{
    height: 130px;
    width: auto;
    background: white;
}
#logo{
    height: 100px;
    width: 1200px;
    margin: 0  auto;
}
.logo-left{
    height: 98px;
    width: 500px;
    float: left;
}
.logo-right{
    height: 98px;
    width: 500px;

    float: right;
    margin: 0 auto;
}
.logo-left>a>img{
    margin-top: 20px;
    height: 64.38px;
    width: 220px;
}
.logo-right>a>img{
    float: right;
    margin-top: 40px;
    height: 35px;
    width: 350px;
}
/*logo标签结束*/
.nav{
    background: white;
    height: 45px;
    width: 100%;
}

/*nav导航标签开始*/
.nav-content{
    margin: 0  auto;
    width: 1200px;
    height: 45px;
    position: relative;

}
.nav-left{
    height: 45px ;
    width: 240px;
    float: left;
    text-align: center;
    background: #313BFF;
    font-size: 25px;
    color: white;
    border-radius: 5px 5px 0px 0px;
}
.nav-left>i{
    display: inline-block;
    margin: 10px auto;
    font-size: 20px;
}
.nav-left>span{
    margin: 2px;
    font-size: 22px;
    font-family: "Microsoft YaHei UI";
}
.new{
    position: absolute;
    color: #ff4444;
    left: 560px;
    top: -5px;
}
.redo{
    position: absolute;
    color: #ff4444;
    left: 375px;
    top: 0px;
}
.nav-center{
    height: 45px ;
    width: 700px;
    float: left;
    padding-left: 20px;
}
.nav-center>ul>li{
    float: left;
    font-size: 16px;
    padding-inline: 12px;
    padding-top: 15px;
}
.nav-center>ul>li>a{
    color: black;
}
.nav-right{
    height: 65px;
    width: 150px;
    float: right;

}
.nav-right>a{
    display: inline-block;
    padding: 20px;
    color: #ff4444;
    margin-top: -15px;
}
/*nav导航标签结束*/

/*banner标签开始*/
.banner{
    height: 645px;
    width: 100%;
    position: relative;
    margin: 0 auto;
    background: #F4F4F4;;
}
.banner>img{
    position: absolute;
    width: 100%;
    height: 380px;
    max-width: 1920px;
}
.p-content{
    height: 516px;
    width: 1200px;
    position: absolute;
    top:0px;
    left: calc(50% - 1200px / 2);
}
.banner-nav{
    width: 240px;
    height: 516px;
    float: left;
    background: #373B45;
    border-radius: 0px 0px 5px 5px;
}
.content-ul>li{
    padding: 4px;
}
.content-ul>li:hover{
    background: #9B9B9B;
}
.content-ul>li>img{
    width: 25px;
    height: 25px;
}
.content-ul>li>a{
    display: inline-block;
    color: white;
    font-size: 15px;
    position: relative;
    width: 180px;
}
.content-ul>li>a>i{
    float: right;
    font-size: 10px;

}
.content-ul>li>span{
    display: inline-block;
    color: aliceblue;
    font-size: 10px;
    margin-left: 30px;
}
.content-ul>li:hover>a{
    transform: translate(10px,0px);
    transition: 0.3s;
}
.content-ul>li:hover>span{
    transform: translate(-2px,0px);
    transition: 0.3s;
}
/*.content-ul>li:hover>img{*/
/*    visibility: hidden;*/
/*    transition: 0.1s;*/
/*}*/
.banner-right{
    float: right;
    width: 950px;
    height: 516px;
}
.banner-right-top{
    width: 950px;
    height: 398px;

}
.login{
    height: 290px;
    width: 210px;
    background: white;
    float: right;
    border-radius: 5px;
    margin: 50px auto;
    box-shadow: white 0px 0px 15px;
}
.login >div:first-child{
    text-align: center;
    margin-top: 20px;
}
.login >div:first-child>a{
    color: #8F9BAE;
    font-size: 13px;
}
.login >div:first-child>img{
    height: 130px;
    width: 150px;
    margin-top: 5px;
}
.login>div:last-child{
    margin: 20px;
    text-align: center;
}
/*共同设置*/
.login>div:last-child>div{
    font-size: 20px;
    font-weight: bold;
    margin: 40px 10px;

}

/*登录*/
.login>div:last-child>div:first-child>a{
    float: left;
    padding: 5px 10px;
    color: white;
    background-color: #276fff;
    border-radius: 5px;
}
/*注册*/
.login>div:last-child>div:last-child>a{
    float: right;
    padding: 5px 10px;
    color: dodgerblue;
    background-color: white;
    border: dodgerblue solid 1px;
    border-radius: 5px;
}
/*点击效果*/
.login>div:last-child>div:last-child:hover>a{
    background-color: dodgerblue;
    color: white;
}
.login>div:last-child>div:first-child:hover>a{
    background-color: dodgerblue;
}
/*底部的大体*/
.banner-right-bottom{
    width: 950px;
    height:114px ;
}
/*四个小div的设置*/
.banner-right-buttom>div{
    float: right    ;
    width: 220px;
    height: 114px;
    margin: auto  6px;
    background: white;
    border-radius: 5px;
}
/*div的图片设置*/
.banner_buttom_nav>a>img{
    height: 50px;
    width: 50px;
    margin: 30px 25px   ;
}
.banner_buttom_nav>a>span{
   display: block;
    margin-left: 80px;
    margin-top: -80px;
    padding: 5px;
    font-size: 15px;
    color: #9B9B9B;
}
/*banner标签结束*/

/*内容开始*/
.main-content{
    height: 620px;
    width: 1200px;
    margin: 30px auto;
    background: white;
}
.content-top{
    height: 80px;
    width: 1200px;
    border-bottom: #ccc solid 1px;
}

.content-top>div:first-child{
    width: 300px;
    height: 80px;
    border: red 1px solid;
    float: left;
}
.content-top>div:nth-child(2){
    width: 680px;
    height: 80px;
    border: #ff4444 solid 1px;
    float: left;
}.content-top>div:nth-child(3){
    width: 200px;
    height: 80px;
    border: #ff4444 solid 1px;
    float: right;
}
.content-bottom{
    height:530px;
    width: 1200px;
    background: aquamarine;
}
.c-bottom-left{
    float: left;
    height:530px;
    width: 300px;
    border: #ff4444 1px solid;
}
.c-bottom-right{
    height: 530px;
    width: 890px;
    border: #373B45  1px solid;
    float: right;
}
.c-bottom-right>div:first-child{
    height: 250px;
    width: 880px;
    border: #ff4444 solid;
}
.c-bottom-right>div:nth-child(2){
    height: 250px;
    width: 880px;
    border: #ff4444 solid;
    margin-top: 10px;
}
.c-bottom-right>div:first-child>div{
    width: 205px;
    height: 250px;
    float: left;
    border: #ff4444 1px solid;
    margin-left: 10px;
}
.c-bottom-right>div:nth-child(2)>div{
    width: 205px;
    height: 250px;
    float: left;
    border: blue 1px solid;
    margin-left: 10px;
}
/*内容结束*/
/*网页底部开始*/
.footer{
    height:315px;
    width: 100%;
    background: white;
}
.footer_top{
    height: 280px;
    width: 1200px;
    margin: 0px auto;
}

.footer_top>div:first-child{
    width: 550px;
    height: 280px;
    float: left;
    position: relative;
}
.footer_top>div:nth-child(2){
    width: 450px;
    height: 280px;
    float: left;
}
.footer_top>div:nth-child(3){
     width: 180px;
     height: 280px;
     float: left;
    text-align: center;
 }

.footer_bottom{
    height: 35px;
    width: 100%;
    margin: 0px auto;
    text-align: center;
    line-height: 50px;
    background: white;
}
.footer_top>div:first-child>img{
    width: 130px;
    position: absolute;
    top: -40px;
    left: calc(50% - 130px / 2);
}
.footer_top>div:first-child>p{

    margin-top: 80px;
    padding-right: 10px;
    font-size: 15px;
    text-indent: 2em;
    color: #8F9BAE;
    padding-top: 10px;
}


.footer_top>div:nth-child(2)>div{
    float: right;
    margin-top: 50px;
    text-align: center;
    margin-right: 50px;
}

.footer_top>div:nth-child(2)>div>h6{
    font-size: 18px;
    border-bottom: #ccc 1px solid;
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.footer_top>div:nth-child(2)>div>ul>li{
    padding: 8px 5px;
}
.footer_top>div:nth-child(2)>div>ul>li>a{
    color: #8492A6;
}
.footer_top>div:nth-child(2)>div>ul>li>a:hover{
    color: dodgerblue;
    text-decoration:underline;
}

.footer_top>div:nth-child(3)>img{
    width: 100px;
    height: 100px;
    margin-top: 80px;
}
.footer_top>div:nth-child(3)>p{
    color: #8492A6;
}
/*网页底部结束*/
